Home / 54,764.39-75,577.15-30,891.05

Finding the Fourth Proportional to 54,764.39, 75,577.15 and 30,891.05

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Solution

The fourth proportional to 54,764.39, 75,577.15 and 30,891.05 is: 42,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,764.39 : 75,577.15 = 30,891.05 : x
  2. Step 2: Convert to fraction form
    54,764.39/75,577.15 = 30,891.05/x
  3. Step 3: Cross multiply
    54,764.39x = 75,577.15 × 30,891.05
  4. Step 4: Simplify right side
    54,764.39x = 2,334,657,888.77
  5. Step 5: Solve for x
    x = 2,334,657,888.77/54,764.39
  6. Step 6: Final answer
    x = 42,630.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.